US soldier Chelsea Manning is celebrating her freedom after being released from military prison.Manning took to Twitter after her release, photographing her “first steps of freedom” in civilian clothes.In a brief statement, she said she was focused on the future, which “is far more important than the past”.She served seven years of a 35-year sentence for leaking hundreds of thousands of diplomatic cables and military files to Wikileaks.Most of her sentence was commuted by then-US President Barack Obama in January.In a statement issued through the American Civil Liberties Union, which provided her with legal support, Manning said: “After another anxious four months of waiting, the day has finally arrived. I am looking forward to so much!”